21448752

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 61350240

約数和(自身を除く): 39901488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 74, 78, 104, 111, 148, 156, 208, 222, 296, 312, 444, 481, 592, 624, 888, 929, 962, 1443, 1776, 1858, 1924, 2787, 2886, 3716, 3848, 5574, 5772, 7432, 7696, 11148, 11544, 12077, 14864, 22296, 23088, 24154, 34373, 36231, 44592, 48308, 68746, 72462, 96616, 103119, 137492, 144924, 193232, 206238, 274984, 289848, 412476, 446849, 549968, 579696, 824952, 893698, 1340547, 1649904, 1787396, 2681094, 3574792, 5362188, 7149584, 10724376, 21448752]

約数ペア:

[(1, 21448752), (2, 10724376), (3, 7149584), (4, 5362188), (6, 3574792), (8, 2681094), (12, 1787396), (13, 1649904), (16, 1340547), (24, 893698), (26, 824952), (37, 579696), (39, 549968), (48, 446849), (52, 412476), (74, 289848), (78, 274984), (104, 206238), (111, 193232), (148, 144924), (156, 137492), (208, 103119), (222, 96616), (296, 72462), (312, 68746), (444, 48308), (481, 44592), (592, 36231), (624, 34373), (888, 24154), (929, 23088), (962, 22296), (1443, 14864), (1776, 12077), (1858, 11544), (1924, 11148), (2787, 7696), (2886, 7432), (3716, 5772), (3848, 5574)]